Finding the best On Cloud shoe for flat feet is a game-changer for runners and walkers who crave both dynamic comfort and targeted support. Flat feet, or fallen arches, can make every step challenging by increasing the risk of overpronation, foot fatigue, and even knee or back pain.
Fortunately, On Cloud has established itself as a top choice for ergonomic, high-performance footwear—offering patented CloudTec® cushioning, Swiss-engineered designs, and holistic support features tailored for a modern, active lifestyle. Within their broad Amazon selection, a subset of On Cloud shoes stands apart for providing structural stability, plushness underfoot, and a roomy fit that allows flat-footed wearers to go the distance pain-free.
As a running and footwear journalist, I’ve tracked both user testimonials and biomechanics research to curate this guide. Whether you’re a fitness enthusiast, all-day commuter, or recovering from foot issues, you’ll find that these On Cloud picks help control inward rolling, keep arches supported, and bring you that trademark “walking on clouds” feel. Below, I break down the 10 best On Cloud shoes for flat feet—all available on Amazon, all delivering outstanding comfort and support for this unique foot shape.
How to Choose the Best On Cloud Shoe for Flat Feet
When selecting On Cloud shoes for flat feet, it’s critical to weigh a few specialized factors:
- Arch Support: Look for insoles and midsoles that help prevent excessive inward rolling, gently cradling the foot’s arch.
- Stability Features: Seek out shoes with a broader base, medial support, and reinforced sidewalls to help correct overpronation.
- Cushioning: CloudTec® pods should offer plush, adaptive cushioning without feeling mushy, absorbing shock through the heel and forefoot.
- Roomy Fit: Flat feet often splay out. A wider toe box prevents pinching and supports natural toe alignment.
- Removable Insoles: This allows personal orthotics or more supportive inserts—a must for severe flat foot cases.
- Breathability & Flexibility: Swiss-engineered mesh uppers keep feet cool and adapt to changing foot shapes over hours of wear.
- Durability: Outsole materials and reinforced overlays guarantee steady comfort over hundreds of miles.
- Real-World Reviews: Always check feedback from fellow flat-footed users for first-hand insight on long-term comfort and durability.
Let’s explore the top models worth trying on for size.
10 Best On Cloud Shoe for Flat Feet
01. On Cloudflyer 4

The On Cloudflyer 4 is a true stability hero in On’s lineup. It stands out for its reinforced medial support and wider sole, which directly aids those with flat feet and overpronation. The plush, dual-density CloudTec® cushioning combines with the molded heel cup and thicker midfoot to gently cradle each stride, while the Speedboard® adds propulsion and support. Reviewers love the flexibility paired with guidance—ideal for daily runs and long city walks alike.
02. On Cloudace

The On Cloudace is the brand’s flagship stability shoe. Engineered with extra-wide bases and denser medial pods, it’s designed for demanding runners who need more underfoot structure. Its advanced Helion™ superfoam and plush insoles provide targeted arch support, while the precision-molded Speedboard® helps resist unstable foot rolling. Flat-footed athletes report significantly reduced fatigue and heightened all-day comfort for both training and lifestyle.
03. On Cloudstratus 3

For runners seeking both cushioning and support, the On Cloudstratus 3 delivers double CloudTec® layers for maximal shock absorption while maintaining a stable ride. Its star-lacing system achieves a forgiving, adaptive forefoot fit—ideal for wider, flatter feet. This model also supports natural toe splay and offers a removable insole, letting you insert custom orthotics. Perfect for long runs, recovery, and anything in between.
04. On Cloudrunner

One of On’s most supportive everyday trainers, the On Cloudrunner has quickly become a favorite among flat-footed walkers and beginners. Its wider platform and beefed-up foam limit pronation and create a secure, planted feel with every step. The engineered mesh upper hugs without constricting, making it a daily comfort staple for urban movers, healthcare workers, and new runners alike.
05. On Cloudswi ft 3

Urban runners will appreciate the On Cloudswift 3, which pairs Helion™ superfoam and broad midfoot support with CloudTec® cushioning—absorbing impact even on hard concrete. Its molded side panels and secure step-in feel address flat footedness, while the shoe remains lightweight and impressively agile. It’s a top Amazon pick for flat-arched athletes facing long days on unforgiving city streets.
06. On Cloud X 3

For those living a hybrid life—gym, work, run—the On Cloud X 3 shines as an all-purpose trainer. Its moderate arch, responsive CloudTec® midsole, and reinforced medial sections provide gentle support, while the platform stays flexible. The flat, stable base helps those with flat feet avoid sensation of rolling inward, making it a true multi-sport go-to that adapts to every environment.
07. On Cloudstratus (v2)

A favorite of experienced runners, the On Cloudstratus v2 features a double layer of CloudTec® cushioning for outstanding plushness and shock absorption. The broader forefoot is especially flat-foot friendly, and the engineered mesh adapts to the foot during distance efforts. With a removable insole and durable outsole, it’s an excellent option for long training days and recovery walks.
08. On Cloudflow 4

If you want lightweight performance without sacrificing support, the On Cloudflow 4 is a standout. The shoe’s Speedboard® technology and CloudTec® cushioning stabilize the midfoot and provide snappy transitions, while the upper remains softly structured for flat-foot comfort. It’s an agile training partner that doesn’t compromise on proper foot alignment.
09. On Cloudventure Waterproof

Outdoor adventurers with flat feet need dependable grip and support—qualities the On Cloudventure Waterproof delivers in spades. Its Missiongrip™ outsole and firm midsole pods keep feet stable on uneven terrain, while the wider toe box suits flatter arches. The waterproof upper ensures breathability and dryness for hikers, runners, and dog walkers alike.
10. On Cloud 5

The On Cloud 5 is the most versatile daily wear option, pairing soft, adaptive CloudTec® cushioning with a simple, slip-on upper. While not a “motion control” shoe, its roomier fit and moderate arch contour provide comfort for flat-footed users looking for travel, errands, or recovery-day support. Removable insoles make it orthotic-compatible, and its lightweight frame ensures all-day wearability.
Final Thoughts
Choosing the right On Cloud shoe for flat feet involves balancing arch support, platform width, and underfoot sensation. Every model here, available on Amazon, offers a unique blend of Swiss technology and thoughtful design to help flat-footed runners and walkers stay comfortable, support healthy alignment, and conquer each step with confidence.